Renowned as a tourism hub for its lush jungle and coastline, Costa Rica has become part of the pipeline for drug traffickers hauling cocaine northward. WSJ's Leslie Josephs reports.

This transcript has been automatically generated and may not be 100% accurate.

... I ... Colombian drug cartels have all returned to the lower Hunter ... and El Salvador ... in to violate drug trafficking routes ... but the cocaine trade is now taking hold in coaster Rica ... essential America's standout economy and democracy ... Coca leaves which are culturally significant for millions of indigenous people across the Indian Highlands ... also the raw ingredient in cocaine ... the porous border between coaster recant its northern neighbor Nicaragua ... is a major re taken by drug traffickers calling cocaine from South America to the naked States ... the largest consumer of the truck ... police in coaster Rica are now turned to stop the flow ... bottlenecks are the norm here in church ever say their health of the border for TDs at the time ... dozens are two teams each month as police search for cocaine ... Coast Errico abolished its army in nineteen forty eight and has one of the highest literacy and life expectancy rates in Latin America ... fighting drug trafficking was not on its agenda ... we are immersed in one of the most violent regions in the world were basically that violence associated with drug trafficking ... the ... when you ... did ... police say they are short staffed ... Coast Eureka has stepped up its efforts between two thousand and six and two thousand eleven cocaine seizures by the integer of police have increased six fold from the previous six year period ... Koesterich is president letter to CIA says we can claim victory yet ... Custer Egan says it needs more assistance particularly from the United States ... officials here know they have to act fast if they wanna keep coaster effects for top spot ... for The Wall Street